Most anticoagulants in blood collectiong tubes prevent clotting by:
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Sterile yellow stopper tubes contain thixotropic gel and a clot activator.
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Hives and rash usually indicate an allergic reaction. Hematuria is due to a variety of causes. Fever and chills usually indicate a febrile reaction. Positive DAT due to conditions other than sensitization to red cell alloantigens is not uncommon. Therefore a positive DAT in the posttransfusion specimen with a negative DAT in the pretransfusion specimen is more likely to indicate alloimmunization.
The most definite indication that a patient has been sensitized to a specific red cell antigen is:
Entamoeba gingivalis resembles Entamoeba histolytica both in size and in nuclear characteristics. Entamoeba gingivalis may contain numerous cytoplasmic inclusions such as red blood cells, white blood cells, and bacteria.
I reside in the mouth where I measure approximately 17 micro meters.
TESTED 21 Nov 2024
